Baby Developmental Milestone Checklist
Pick your baby's age in months and see milestones across 4 domains (motor, language, social, cognitive) based on CDC and Korean Pediatric Society guidelines. Check items off to get "typical" or "monitor" badges.
Age summary
12 months: first steps and first words
Overall summary
0/ 13
0% · monitor 7
0/ 10
0% · monitor 5
0/ 7
0% · monitor 2
0/ 6
0% · monitor 3
⚠️ Items flagged for monitoring
17 milestone(s) are flagged for monitoring at this age. Individual variation is common, but if delays appear across multiple domains, consider consulting a pediatrician or developmental specialist.
Search: pediatric developmental evaluation →Choose a domain
🤸 Motor(12 items)
🗣️ Language(10 items)
🫶 Social(6 items)
🧩 Cognitive(6 items)
⚠️ Medical Disclaimer
This checklist is an informational reference only, not a medical diagnosis. Individual variation is large — consult a pediatrician or developmental specialist for any concerns.